[tor-bugs] #23391 [Metrics/Metrics website]: Add changes section to Tor bridge descriptors specification

Tor Bug Tracker & Wiki blackhole at torproject.org
Fri Sep 1 19:40:41 UTC 2017


#23391: Add changes section to Tor bridge descriptors specification
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     Reporter:  karsten                  |      Owner:  metrics-team
         Type:  enhancement              |     Status:  new
     Priority:  Medium                   |  Milestone:
    Component:  Metrics/Metrics website  |    Version:
     Severity:  Normal                   |   Keywords:
Actual Points:                           |  Parent ID:
       Points:                           |   Reviewer:
      Sponsor:                           |
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 atagar suggest [https://lists.torproject.org/pipermail/tor-
 project/2017-September/001426.html on tor-project@] to add a changes
 section to our new [https://metrics.torproject.org/bridge-descriptors.html
 Tor bridge descriptors specification]:

 > One quick thing: when we next change sanitization would you mind adding
 a 'changes' section with the date of the change and what the modification
 was? I keep an eye on the tor-spec git changes to know when the dir-spec
 changes but a webpage like this is harder to track. A list to answer the
 question of "Last time I checked this was August. Has anything changed?"
 would be handy.

 Sounds useful to me. Let's start with such a changes section now, so that
 it doesn't appear out of the blue whenever we next make a change. I dug
 through Git history and found the following changes affecting `@type`
 annotations.

 Dates are Git's "committer dates" rather than "author dates". In the
 future we could switch to release dates as an even better approximation of
 when changes became effective, but past changes were usually deployed
 whenever they arrived in master. In the end the exact timing doesn't
 matter as much, though.

  - May 30, 2012: "@type" annotations were first added to sanitized
 descriptors to indicate descriptor type and version: "@type bridge-server-
 descriptor 1.0", "@type bridge-extra-info 1.0", and "@type bridge-network-
 status 1.0".
  - June 29, 2012: "@type bridge-extra-info 1.1" added sanitized
 "transport" lines.
  - February 1, 2013: "@type bridge-extra-info 1.2" was supposed to
 indicate added "ntor-onion-key" lines, but those changes only affected
 bridge server descriptors, not extra-info descriptors. So, nothing has
 changed as compared to "@type bridge-extra-info 1.1", and there may be
 "@type bridge-server-descriptor 1.0" descriptors with and without those
 lines.
  - June 19, 2015: "@type bridge-server-descriptor 1.1" and "@type bridge-
 extra-info 1.3" added "master-key-ed25519" and "router-digest-sha256"
 lines to descriptors published by bridges using an ed25519 master key.
  - September 18, 2016: "@type bridge-server-descriptor 1.2" and "@type
 bridge-network-status 1.1" introduced sanitized TCP ports.
  - July 10, 2017: "@type bridge-network-status 1.2" introduced the
 "fingerprint" line, containing the fingerprint of the bridge authority
 which produced the document, to the header.

 Please, somebody (probably atagar or iwakeh), review this list. If it
 looks good, I'll put it on the page early next week.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23391>
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